/*
 * Copyright (c) 2000 jPOS.org.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *    "This product includes software developed by the jPOS project
 *    (http://www.jpos.org/)". Alternately, this acknowledgment may
 *    appear in the software itself, if and wherever such third-party
 *    acknowledgments normally appear.
 *
 * 4. The names "jPOS" and "jPOS.org" must not be used to endorse
 *    or promote products derived from this software without prior
 *    written permission. For written permission, please contact
 *    license@jpos.org.
 *
 * 5. Products derived from this software may not be called "jPOS",
 *    nor may "jPOS" appear in their name, without prior written
 *    permission of the jPOS project.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the jPOS Project.  For more
 * information please see <http://www.jpos.org/>.
 */

package com.nasoft.iso.validator;

import com.nasoft.iso.ISOBaseValidator;
import com.nasoft.iso.ISOComponent;
import com.nasoft.iso.ISOMsg;
import com.nasoft.iso.ISOVError;
import com.nasoft.iso.ISOVMsg;
import com.nasoft.util.LogEvent;
import com.nasoft.util.Logger;

/**
 * Tester to validate msg.
 * <p>
 * Title: jPOS
 * </p>
 * <p>
 * Description: Java Framework for Financial Systems
 * </p>
 * <p>
 * Copyright: Copyright (c) 2000 jPOS.org. All rights reserved.
 * </p>
 * <p>
 * Company: www.jPOS.org
 * </p>
 * 
 * @author Jose Eduardo Leon
 * @version 1.0
 */
public class MSGTEST extends ISOBaseValidator
{

  public MSGTEST()
  {
    super();
  }

  public MSGTEST(boolean breakOnError)
  {
    super(breakOnError);
  }

  private String makeStrFromArray(int[] validFields)
  {
    if (validFields == null)
      return null;
    StringBuffer result = new StringBuffer();
    for (int i = 0; i < validFields.length; i++)
    {
      result.append(validFields[i]);
      result.append(", ");
    }
    result.delete(result.length() - 2, result.length() - 1);
    return result.toString();
  }

  public ISOComponent validate(ISOComponent m) throws com.nasoft.iso.ISOException
  {
    LogEvent evt = new LogEvent(this, "validate");
    try
    {
      super.validate(m);
      ISOMsg msg = (ISOMsg) m;
      int[] validFields = { 3, 7, 11 };
      if (!msg.hasFields(validFields))
      {
        ISOVError e = new ISOVError("Fields " + makeStrFromArray(validFields)
            + " must appear in msg.", "001");
        if (msg instanceof ISOVMsg)
          ((ISOVMsg) msg).addISOVError(e);
        else
          msg = new ISOVMsg(msg, e);
        if (breakOnError)
          throw new ISOVException("Error on msg. ", msg);
      }
      return msg;
    } catch (ISOVException ex)
    {
      throw ex;
    } finally
    {
      Logger.log(evt);
    }
  }
}